<?php

declare(strict_types=1);

/*

* This file is part of the ALTO library.

*

* © 2025–present Simon André

*

* For full copyright and license information, please see

* the LICENSE file distributed with this source code.

*/

require __DIR__.'/../../vendor/autoload.php';

use Alto\Code\Diff\Diff;

use Alto\Code\Diff\Exception\BinaryInputException;

use Alto\Code\Diff\Exception\SizeLimitException;

use Alto\Code\Diff\Renderer\UnifiedRenderer;

echo "=== 1. Compare with Size Limits ===\n";

$largeFile1 = str_repeat('A', 200000); // 200KB

$largeFile2 = str_repeat('B', 200000);

// Set limit to 100KB (100000 bytes)

$diff = Diff::build()->maxBytes(100000);

try {

$result = $diff->compare($largeFile1, $largeFile2);

} catch (SizeLimitException $e) {

echo "Caught expected exception: {$e->getMessage()}\n";

}

echo "\n=== 2. Binary File Detection ===\n";

$file1 = 'Text content';

$file2 = "Binary \0 content";

try {

$result = Diff::build()->compare($file1, $file2);

} catch (BinaryInputException $e) {

echo "Caught expected exception: {$e->getMessage()}\n";

}

echo "\n=== 3. Custom Context Lines ===\n";

$old = implode("\n", range(1, 10));

$new = implode("\n", array_merge(range(1, 4), ['5 modified'], range(6, 10)));

$result = Diff::build()

->contextLines(1)

->compare($old, $new);

echo (new UnifiedRenderer())->render($result)."\n";

echo "\n=== 4. No Trailing Newline ===\n";

$old = "line1\nline2";

$new = "line1\nline2\n";

$result = Diff::build()->compare($old, $new);

echo 'Old has trailing newline: '.($result->oldHasTrailingNewline ? 'yes' : 'no')."\n";

echo 'New has trailing newline: '.($result->newHasTrailingNewline ? 'yes' : 'no')."\n";

echo (new UnifiedRenderer())->render($result)."\n";